The Ambari host should have at least 1 GB RAM, with 500 MB free. To check available memory on any host, run: free - m If you plan to install the Ambari Metrics Service (AMS...
Table metrics Self-optimizing metrics Amoro provides both table-level and platform-level metrics to help users understand the runtime status of the current table. Table metric...
JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten...
Next Step The progress of the install displays on the screen. Ambari installs, starts, and runs a simple test on each component. Overall status of the process displays in progres...
Iceberg Dell Integration Dell ECS Integration Iceberg can be used with Dell’s Enterprise Object Storage (ECS) by using the ECS catalog since 0.15.0. See Dell ECS for more infor...
Partitioning What is partitioning? Partitioning is a way to make queries faster by grouping similar rows together when writing. For example, queries for log entries from a logs ...
JDO defines XML MetaData in jdo files as well as orm files, but also specifies that named queries can be defined in jdoquery files. As always with XML, the metadata must match t...